diff --git a/esphome/components/ota/__init__.py b/esphome/components/ota/__init__.py
index 4e447bfb2d..d9917a2aae 100644
--- a/esphome/components/ota/__init__.py
+++ b/esphome/components/ota/__init__.py
@@ -1,10 +1,15 @@
+from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome import automation
+from esphome.const import (
+    CONF_ESPHOME,
+    CONF_ON_ERROR,
+    CONF_OTA,
+    CONF_PLATFORM,
+    CONF_TRIGGER_ID,
+)
 from esphome.core import CORE, coroutine_with_priority
 
-from esphome.const import CONF_ESPHOME, CONF_OTA, CONF_PLATFORM, CONF_TRIGGER_ID
-
 CODEOWNERS = ["@esphome/core"]
 AUTO_LOAD = ["md5", "safe_mode"]
 
@@ -13,7 +18,6 @@ IS_PLATFORM_COMPONENT = True
 CONF_ON_ABORT = "on_abort"
 CONF_ON_BEGIN = "on_begin"
 CONF_ON_END = "on_end"
-CONF_ON_ERROR = "on_error"
 CONF_ON_PROGRESS = "on_progress"
 CONF_ON_STATE_CHANGE = "on_state_change"
 
diff --git a/esphome/components/voice_assistant/__init__.py b/esphome/components/voice_assistant/__init__.py
index c18f0a6850..031edbf27a 100644
--- a/esphome/components/voice_assistant/__init__.py
+++ b/esphome/components/voice_assistant/__init__.py
@@ -1,18 +1,18 @@
-import esphome.config_validation as cv
-import esphome.codegen as cg
-
-from esphome.const import (
-    CONF_ID,
-    CONF_MICROPHONE,
-    CONF_SPEAKER,
-    CONF_MEDIA_PLAYER,
-    CONF_ON_CLIENT_CONNECTED,
-    CONF_ON_CLIENT_DISCONNECTED,
-    CONF_ON_IDLE,
-)
 from esphome import automation
 from esphome.automation import register_action, register_condition
-from esphome.components import microphone, speaker, media_player
+import esphome.codegen as cg
+from esphome.components import media_player, microphone, speaker
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    CONF_MEDIA_PLAYER,
+    CONF_MICROPHONE,
+    CONF_ON_CLIENT_CONNECTED,
+    CONF_ON_CLIENT_DISCONNECTED,
+    CONF_ON_ERROR,
+    CONF_ON_IDLE,
+    CONF_SPEAKER,
+)
 
 AUTO_LOAD = ["socket"]
 DEPENDENCIES = ["api", "microphone"]
@@ -20,7 +20,6 @@ DEPENDENCIES = ["api", "microphone"]
 CODEOWNERS = ["@jesserockz"]
 
 CONF_ON_END = "on_end"
-CONF_ON_ERROR = "on_error"
 CONF_ON_INTENT_END = "on_intent_end"
 CONF_ON_INTENT_START = "on_intent_start"
 CONF_ON_LISTENING = "on_listening"
diff --git a/esphome/const.py b/esphome/const.py
index faf6ce19fa..4357963384 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -539,6 +539,7 @@ CONF_ON_DOUBLE_CLICK = "on_double_click"
 CONF_ON_ENROLLMENT_DONE = "on_enrollment_done"
 CONF_ON_ENROLLMENT_FAILED = "on_enrollment_failed"
 CONF_ON_ENROLLMENT_SCAN = "on_enrollment_scan"
+CONF_ON_ERROR = "on_error"
 CONF_ON_EVENT = "on_event"
 CONF_ON_FINGER_SCAN_INVALID = "on_finger_scan_invalid"
 CONF_ON_FINGER_SCAN_MATCHED = "on_finger_scan_matched"